This inventor holds 8 USPTO granted patents and 4 published patent applications and 2 EPO patents. Top assignees: Basf Se Corporation, Basf Aktiengesellschaft. Active years: 2008-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2008-2026
Title: Innovations and Contributions of Inventor Johannes Buettner
Introduction
Johannes Buettner is a notable inventor based in Ruhland, Germany. He has made significant contributions to the field of chemical engineering, particularly in the preparation of aromatic amines and nitrated aromatics. With a total of 8 patents to his name, Buettner's work has had a considerable impact on industrial processes.
Latest Patents
One of his latest patents is focused on the optimized introduction of starting materials for a process that prepares aromatic amines through the hydrogenation of nitroaromatics. This invention not only details the process but also describes an apparatus suitable for this purpose. Specifically, it addresses the preparation of toluenediamine (TDA) by hydrogenating dinitrotoluene (DNT). Another significant patent involves a process for preparing nitrated aromatics and their mixtures. This process utilizes a hydrate melt of at least one metal nitrate as a nitrating medium, which simplifies the process and improves yields.
Career Highlights
Throughout his career, Johannes Buettner has worked with prominent companies such as BASF SE Corporation and BASF Aktiengesellschaft. His experience in these organizations has allowed him to develop and refine his innovative processes.
Collaborations
Buettner has collaborated with several professionals in his field, including Andreas Raichle and Holgar Braunsberg. These collaborations have contributed to the advancement of his research and the successful implementation of his inventions.
Conclusion
Johannes Buettner's contributions to the field of chemical engineering through his patents and collaborations highlight his role as an influential inventor. His work continues to shape industrial processes and improve efficiencies in the preparation of important chemical compounds.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

